<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>瀑布流+延迟加载</title>
    <style>
        html, body, ul, li, img{
            margin: 0;
            padding: 0;
        }
        html, body{
            width: 100%;
        }
        body{
            text-align: center;
        }
        h1{
            color: #ebb;
        }
        .flow-delay{
            width: 1200px;
            margin: 0 auto;
        }
        img{
            width: 200px;
        }
        ul{
            display: inline-block;
            float: left;
            width: 200px;
        }
    </style>
</head>
<body>
    <h1>瀑布流+延迟加载 构造函数方式实现</h1>
    <div class="flow-delay"></div>
</body>
<script src="./index.js"></script>
</html>